140 Achievements Here is the full list of all 10 140 achievements worth 1,000 gamerscore. It takes around 5-6 hours to unlock all of the achievements on Xbox One.Filter Achievement View View Image viewList view Sort by TrueAchievement desc TrueAchievement asc Achievement name desc Achievement name asc GamerScore desc GamerScore asc TA Ratio desc TA Ratio asc Gamers desc Gamers asc Xbox.com order Date won desc Date won asc Flag Filter All None 10 Offline Mode 10 Single Player 3 Main Storyline 1 Cumulative + Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply 10001100-01Complete the first stage 10001100-10Complete the second stage 10001100-11Complete the game 10-00110001Complete the first mirror stage 1 guide01-00110001Complete the second mirror stage 11-00110001Complete all mirror stages 1 guide111111Die 63 times. 0011010100000000Beat the first boss without jumping. 1000000010010010Beat the second boss without dying. 1 guide1001001001001001Beat the third boss without dying. 1 guide